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HOA1877 Series Transmissive Sensor, Transistor Output, Plastic Package.
The HOA1877 series consists of an infrared emitting diode facing an NPN silicon phototransistor (HOA1877-001, -002) or photodarlington (HOA1877-003) encased in a black thermoplastic housing. Detector switching takes place whenever an opaque object passes through the slot between emitter and detector. The HOA1877 series has a 0.050 in (1.27 mm) dia. detector aperture and employs metal can packaged components. For additional component information see SE1450, SD1440, and SD1410.

Housing material is polycarbonate. Housings are soluble in chlorinated hydrocarbons and ketones. Recommended cleaning agents are methanol and isopropanol.

HOA1877-001 Transmissive Infrared Sensors - Honeywell

Product Features

  • Choice of phototransistor or photodarlington output
  • Wide operating temperature range [-55 °C to 100 °C]
  • 0.50 in [12.7 mm] high optical axis position
  • 0.375 in [9.52 mm] slot width


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